Cedar Rapids, Iowa Water Quality Report
Comprehensive water safety analysis • Updated February 2026
Cedar Rapids's water quality score of 64/100 falls below average, with 1 contaminants at concerning levels.
•All 6 historical violation(s) in Cedar Rapids have been resolved.
Water Safety Overview
Some Concerns. Consider a water filter for extra protection. Score: 64/100.
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Contaminants at Elevated Levels
Above 50% of EPA limits
| Contaminant | Level Detected | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
Lead | 0.0086 mg/L | 0.015 mg/L | 57.3% | Warning |
All Detected Contaminants
9 contaminants tested • EPA SDWIS data
| Contaminant | Level Detected | EPA Limit | % of Limit | Status |
|---|---|---|---|---|
Lead | 0.0086 mg/L | 0.015 mg/L | 57.3% | Warning |
Total Trihalomethanes | 36.49 ug/L | 80.00 ug/L | 45.6% | Safe |
Chromium | 0.042 mg/L | 0.100 mg/L | 42.2% | Safe |
Copper | 0.546 mg/L | 1.30 mg/L | 42.0% | Safe |
Nitrite | 0.393 mg/L | 1.00 mg/L | 39.3% | Safe |
Arsenic | 0.0036 mg/L | 0.010 mg/L | 35.9% | Safe |
Mercury | 0.0006 mg/L | 0.0020 mg/L | 30.4% | Safe |
Fluoride | 1.18 mg/L | 4.00 mg/L | 29.5% | Safe |
Nitrate | 1.73 mg/L | 10.00 mg/L | 17.3% | Safe |
Recommended Water Filters for Cedar Rapids
Based on detected contaminants
Reverse Osmosis System
Best for Cedar Rapids. Removes 95-99% of contaminants including heavy metals, PFAS, and nitrates.
- ✓ Removes lead
- ✓ Removes arsenic
- ✓ Removes nitrates
- ✓ Removes total dissolved solids
Activated Carbon Filter
Good for Cedar Rapids. Removes chlorine, improves taste, and filters many organic compounds.
- ✓ Removes chlorine and chloramine
- ✓ Improves taste and odor
- ✓ Filters pesticides and VOCs
NSF 53 Lead Certification Required
Lead detected in Cedar Rapids. Ensure any filter is NSF/ANSI 53 certified for lead removal.
EPA Compliance History
Past violations for Cedar Rapids's water system
reporting
Copper - 2/4/2024
Resolvedreporting
Mercury - 2/4/2023
Resolvedreporting
Haloacetic Acids - 2/4/2023
Resolvedreporting
Arsenic - 2/4/2023
ResolvedMCL
Total Trihalomethanes - 2/4/2022
ResolvedShowing 5 of 6 violations
Water System Information
CEDAR RAPIDS WATER SYSTEM
- PWS ID:
- IA937640
- Population Served:
- 137,324
- Water Source:
- groundwater
Cedar Rapids Water Quality Score
Based on EPA contaminant data and compliance records
Areas of Concern
- Aging infrastructure may affect water quality
- Recent compliance violations
Positive Findings
- Water quality needs improvement
Protect Your Family's Water
Cedar Rapids's water contains Lead at 57% of the EPA limit. A quality water filter can reduce this contaminant.
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